Home / 48,731.20-73,039.20-25,345.60

Finding the Fourth Proportional to 48,731.20, 73,039.20 and 25,345.60

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Solution

The fourth proportional to 48,731.20, 73,039.20 and 25,345.60 is: 37,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.20 : 73,039.20 = 25,345.60 : x
  2. Step 2: Convert to fraction form
    48,731.20/73,039.20 = 25,345.60/x
  3. Step 3: Cross multiply
    48,731.20x = 73,039.20 × 25,345.60
  4. Step 4: Simplify right side
    48,731.20x = 1,851,222,347.52
  5. Step 5: Solve for x
    x = 1,851,222,347.52/48,731.20
  6. Step 6: Final answer
    x = 37,988.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.